Alert archive / Kentucky / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 172, NWS Louisville, KY

August 25, 1997Boyle County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Aug 25, 1997, 9:22 AM EDT for Boyle County, Kentucky. It was in force for 18 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 25, 1997, 9:22 AM EDT (13:22 UTC)
Expired
Aug 25, 1997, 9:40 AM EDT
In force
18 min
Issued by
NWS Louisville, KY
Area
Whole counties

County Boyle County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 1.4 hours before the alert went out and 227 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 1997-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 1997-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
3 J/kg
Mixed-layer CIN
-400 J/kg
Mixed-layer LCL
1223 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
142 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Aug 25, 9:18 AM EDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
919 AM EDT MON AUG 25 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0730 AM    LAWRENCEBURG              KY   .75 INCH HAIL
08/25/97   ANDERSON

0800 AM    SALVISA                   KY   .75 INCH HAIL
08/25/97   MERCER
Local storm report, Aug 25, 9:19 AM EDT, 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
919 AM EDT MON AUG 25 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0730 AM    LAWRENCEBURG              KY   .75 INCH HAIL
08/25/97   ANDERSON

0800 AM    SALVISA                   KY   .75 INCH HAIL
08/25/97   MERCER

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 25, 7:53 AM EDTSevere Thunderstorm WarningLMKJessamine, Mercer, Woodford32 min
Aug 25, 8:20 AM EDTSevere Thunderstorm WarningLMKBreckinridge35 min
Aug 25, 9:14 AM EDTSevere Thunderstorm WarningLMKBreckinridge, Grayson31 min
Aug 25, 9:33 AM EDTSevere Thunderstorm WarningLMKLincoln27 min
Aug 25, 10:04 AM EDTSevere Thunderstorm WarningLMKLincoln11 min
Aug 25, 10:32 AM EDTSevere Thunderstorm WarningLMKGrayson28 min
Aug 25, 11:07 AM EDTSevere Thunderstorm WarningLMKGrayson, Hart33 min
Aug 25, 12:33 PM EDTSevere Thunderstorm WarningLMKHart27 min
Aug 25, 1:01 PM EDTSevere Thunderstorm WarningLMKHart29 min
Aug 25, 1:17 PM EDTSevere Thunderstorm WarningLMKBarren33 min
Aug 25, 10:52 AM EDTSevere Thunderstorm WarningLMKDubois33 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1997Every severe thunderstorm warning in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.